the president outlined the administration's plan to curb iran's nuclear program. he just wrapped up his comments a few minutes ago. >> ultimately my goal as president of the united states, something that i've said publicly and privately and shared everywhere i've gone, is to prevent iran from getting a nuclear weapon. but what i've also said is the best way for us to prevent iran from getting a nuclear weapon is for a comprehensive, verifiable diplomatic resolution. if at the end of six months it turns out that we can't make a deal, we're no worse off and in fact we have greater leverage with the international community to continue to apply sanctions and even strengthen them. >> we get more now from nbc white house correspondent kristen welker. kristen, this interim deal with iran really seemed to dominate the conversation today. what stood out to you? >> reporter: well, craig, i thought one of the most interesting moments this afternoon was when mr. sabon asked president obama why is this nuclear deal different than all other nuclear deals which have failed in th